Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
hanh hanh » hanh han, xanh hanh, nhanh thanh
luan bang » luan nang, luan tang, tuan bang
cong san » cong tac
luan ban » luan van, luan san, luan han
hanh va » hang va, hanh vi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu tinh - hanh hanh va nhung cong san ((((luan ban) or (luan bang))) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - hanh hanh va nhung cong san ((((luan ban) OR (luan bang))) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - hanh hanh va nhung cong san ((((luan ban) or (luan bang))) or (van ban))*.